Control valve



FIG. 1 is side view of a valve showing our design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end view thereof;

FIG. 5 is an opposite end view thereof;

FIG. 6 is a side view of a first alternative embodiment of our design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an end view thereof;

FIG. 10 is an opposite end view thereof;

FIG. 11 is a side view of a second alternative embodiment of our design;

FIG. 12 is a top plan view thereof;

FIG. 13 is an bottom view thereof;

FIG. 14 is an end view thereof; and,

FIG. 15 is an opposite end view thereof.

The broken-line showings are environmental and form no part of the claimed design. 

The ornamental design for a control valve, as shown and described. 